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CAS 191226-98-9
tert-butyl ((2S,3R)-3-hydroxy-4-(N-isobutyl-4-nitrophenylsulfonamido)-1-phenylbutan-2-yl)carbamate
Codes：DARU-021
Application context (from source-drug indications)
HIV感染乙醇达芦那韦/利托那韦HIV感染乙醇达芦那韦/考比司他
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 乙醇达芦那韦/利托那韦Darunavir Ethanolate/Ritonavir | Tier C — Watch / trade | - |
| 乙醇达芦那韦/考比司他Darunavir Ethanolate/Cobicistat | Tier C — Watch / trade | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
2,5-dioxopyrrolidin-1-yl ((3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl) carbonate→4-amino-N-((2R,3S)-3-amino-2-hydroxy-4-phenylbutyl)-N-isobutylbenzenesulfonamide→2-methylpropan-1-amine→4-nitrobenzenesulfonyl chloride→tert-butyl ((S)-1-((S)-oxiran-2-yl)-2-phenylethyl)carbamate→tert-butyl ((2S,3R)-3-hydroxy-4-(isobutylamino)-1-phenylbutan-2-yl)carbamate→tert-butyl ((2S,3R)-3-hydroxy-4-(N-isobutyl-4-nitrophenylsulfonamido)-1-phenylbutan-2-yl)carbamate→tert-butyl ((2S,3R)-4-((4-amino-N-isobutylphenyl)sulfonamido)-3-hydroxy-1-phenylbutan-2-yl)carbamate
2,5-dioxopyrrolidin-1-yl ((3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl) carbonate→4-amino-N-((2R,3S)-3-amino-2-hydroxy-4-phenylbutyl)-N-isobutylbenzenesulfonamide→2-methylpropan-1-amine→4-nitrobenzenesulfonyl chloride→tert-butyl ((S)-1-((S)-oxiran-2-yl)-2-phenylethyl)carbamate→tert-butyl ((2S,3R)-3-hydroxy-4-(isobutylamino)-1-phenylbutan-2-yl)carbamate→tert-butyl ((2S,3R)-3-hydroxy-4-(N-isobutyl-4-nitrophenylsulfonamido)-1-phenylbutan-2-yl)carbamate→tert-butyl ((2S,3R)-4-((4-amino-N-isobutylphenyl)sulfonamido)-3-hydroxy-1-phenylbutan-2-yl)carbamate
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